[!--neirong--]

One boy is a boy, two boys half a boy, three boys no boy.
一個(gè)和尚挑水喝，兩個(gè)和尚抬水喝，三個(gè)和尚沒(méi)水喝。

One cannot put back the clock.
時(shí)鐘不能倒轉(zhuǎn)。

One eyewitness is better than ten hearsays.
百聞不如一見(jiàn)。

One false move may lose the game.
一著不慎，滿盤(pán)皆輸。

One good turn deserves another.