HSK 1.0 (1992)	Big5	Gb	Pin	Eng
B	乾杯	干杯	gan1 bei1	drink a toast/ cheer/ bottom up
C	底	底	di3	bottom/ base/ end/ background/ draft/ record
C	基層	基层	ji1ceng2	grassroots level/ bottom level in an organization
C	屁股	屁股	pi4gu	buttocks/ bottom/ rear/ rump/ hindquarters/ end/ butt
D	顛倒	颠倒	dian1dao3	reversal/ upend/ bottom up

HSK 2.0 (2010)	Big5	Gb	Pin	Eng
4		底	di3	background/ bottom/ base/ the end of a period of time/ towards the end of (last month)
4		干杯	gan1 bei1	to drink a toast/ Cheers! (proposing a toast)/ Here's to you!/ Bottoms up!/ lit. dry cup
6		屁股	pi4 gu5	buttocks/ bottom/ ass

HSK 3.0 (2022)	Big5	Gb	Pin	Eng
2	船	船	chuán	bottom, body, ship, catcher, bow, bark, boat, shipboard, prow, watercraft, craft, drone, vessel, keel, sailer
2	乾杯	干杯	gān bēi	to drink a toast, Cheers! (proposing a toast), Here's to you!, Bottoms up!, lit. dry cup
2	海	海	hǎi	water, foam, bottom, main, huge group of people, Surname, sea catfish, the sea, sea, mare, drink, fishpond, briny, great capacity, Neptune, billow, huge group of things, depth, waters, pond, wave, brine, big lake
3	追	追	zhuī	reminiscence, to pursue, course, reminisce, trace, chase after, recall, follow, chase, pursue, go after, to chase after, look into, pursuit, heel, chevy, find out, get to the bottom of, seek, run after
4	底	底	dǐ	underside, bottom, base, end, ground
5	體力	体力	tǐlì	breath, brawn, strength, bottom, main, thews, stamina, vigor, energy, physical strength, vigour, vim, physical power, strength of body, vitality, physical power/strength, thew, muscle, sinew
5	遠處	远处	yuǎnchù	distance, bottom, distant place, distant point
5	真相	真相	zhēnxiàng	fact, bottom, low-down, the real facts, dinkum, truth, real/true situation, size, score, real, lowdown, real situation, the real facts/truth, verity, the actual state of affairs, true situation, the real truth, the real situation
6	海底	海底	hǎidǐ	seabed, seafloor, bottom of the ocean
6	潛力	潜力	qiánlì	bottom, possibility, ability, potency, capability, capableness, potentiality, potential, potential(ity), latent capacity
7	倒數	倒数	dàoshǔ	to count backwards (from 10 down to 0), to count down, from the bottom (lines on a page), from the back (rows of seats), inverse number, reciprocal (math.)
7	底層	底层	dǐcéng	first floor, understratum, bottom, underside, the lowest rung, first, undersurface, underlayer, ground level, ground floor, first/ground floor, substratum, first_floor, basement
7	底線	底线	dǐxiàn	to underline, bottom line, base line (in sports), baseline, minimum, spy, plant
7	底子	底子	dǐzi	base, foundation, bottom
7	墊底	垫底	diàndǐ	Bottom

锅底被熏黑了。 The bottom of the pan was blackened by soot . 锅底 被 熏黑了 。 (ENG ) (ZH ) (3442)

She is always at the bottom of the class .	她总是在班上垫底。
There must be something at the bottom of all this .	这一切的背后一定有什么东西。
He has worked his way up from the bottom .	他是从底层一步步爬上来的。
I thank you from the bottom of my heart .	我从心底里感谢你。
I love her from the bottom of my heart .	我从心底里爱她。
Write your name at the bottom of the paper .	在纸的底部写下你的名字。
I thank you from the bottom of my heart .	我从心底里感谢你。

她总是在班上垫底。

这一切的背后一定有什么东西。

他是从底层一步步爬上来的。

我从心底里感谢你。

我从心底里爱她。

在纸的底部写下你的名字。

我从心底里感谢你。