01.Saved at the last minute. / Saved by the bell.
有惊无险。
02.Down but not out. /Lost the battle but not the war.
有挫折， 但没有出局。
03.Opportunity knocks but once.
机不可失，时不再来。
04.Once a rat, always a rat.
朽木不可雕也。
05.Haste makes waste.
欲速则不达。
06.I can't do without you. /I can't live without you.
没有你我不行。
07.No strings attached.
没有附加条件。
08.Have it your way.
照你的意思办吧。
09.Practice makes perfect. 
熟能生巧。
10.The higher they rise, the harder they fall.
爬得高，摔得狠。
11.It is in force. 
生效的。