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Compounds Expand your vocabulary by studying more complex words built by the 'core words'.

HSK 3.0 (2022)	Big5	Gb	Pin	Eng
7	會意	会意	huìyì	combined ideogram (one of the Six Methods 六書\|六书[liu4 shu1] of forming Chinese characters), Chinese character that combines the meanings of existing elements, also known as joint ideogram or associative compounds, to comprehend without being told explicitly, to cotton on, knowing (smile, glance etc)
7	牽頭	牵头	qiān tóu	to lead (an animal by the head), to take the lead, to coordinate (a combined operation), to mediate, a go-between (e.g. marriage broker)