21.Everything has its time and that time must be watched.
萬(wàn)物皆有時(shí)，時(shí)來(lái)不可失。
22.Take time when time cometh,lest time steal away.
時(shí)來(lái)必須要趁時(shí)，不然時(shí)去無(wú)聲息。
23.When an opportunity is neglected,it never comes back to you.
機(jī)不可失，時(shí)不再來(lái);機(jī)會(huì)一過(guò)，永不再來(lái)。
24.Make hay while the sun shines.
曬草要趁太陽(yáng)好。
25.Strike while the iron is hot.
趁熱打鐵。