the back of a body or object / to turn one's back / to hide something from / to learn by heart / to recite from memory / unlucky (slang) / hard of hearing
to touch / to come in contact with / to feel / to be affected by / to catch fire / to burn / (coll.) to fall asleep / (after a verb) hitting the mark / succeeding in
one / single / a (article) / as soon as / entire; whole; all; throughout / "one" radical in Chinese characters (Kangxi radical 1) / also pr. [yao1] for greater clarity when spelling out numbers digit by digit