thirteen ☊ like: mười ba → →
dreizehn ☊ 
mười ba ☊ 
十三 ☊ shísān siebzehn ☊ mười bảy ☊ 十七 ☊ shíqī dreiundzwanzig ☊ hai mươi ba ☊ 二十三 ☊ èrshí sān dreizehn ☊ mười ba ☊ ☊ siebzehn ☊ mười bảy ☊ ☊ dreiundzwanzig ☊ hai mươi ba ☊ ☊ Hallo! Ich heiße Tri. Ich bin dreiundzwanzig Jahre alt. ☊ Xin chào. Anh là Tri. Anh hai mươi ba tuối. ☊ (Lektion 1, Nr. 2) I make it ten pounds forty-three you owe me. Let's call it ten pounds. ☊ call ☊
She's in her mid-thirties—thirty-six to be exact. ☊ exact ☊
grade sth (as) sth: Ten beaches were graded as acceptable. ☊ grade ☊
Friday the thirteenth ☊ the ☊
Thirteen is often considered an unlucky number. ☊ unlucky ☊
My son's thirteen but he's young for his age (= not as developed as other boys of the same age). ☊ young ☊