1.flying colors——success， victory
2.little by little——gradually
3.call off——cancel
4.come into——receive， especially after another's death
5.put off——postpone
6.stop by——make a brief visit on one's way elsewhere
7.tie up——hinder
8.be out for——trying to get
9.fill in for——take another's place
10.turn down—— (1) refuse or reject (2) reduce the loudness of
11.go off——begin to ring
12.cut down——lessen; reduce; limit
13.come up with——produce; supply
14.make it—— (1) achieve a specific goal (2) succeed in general
15.catch one's eye——attract one's attention
16.care for—— (1) like; value (2) look after; take care of
17.head and shoulders above——much better
18.catch on——become popular
19.on the whole——in general
20.fill sb in——tell what sb should know
21.in a nutshell——in a few words
22.from top to bottom——completely; entirely
23.take the plunge——enter with sudden decision upon an unfamiliar course ofaction
24.on the tip of one's tongue——unable to be recalled
25.cheer up——feel happy; stop being sad or discouraged; become hopeful
26.hold off——postpone; delay
27.on cloud nine——a state of perfect happiness
28.back out——withdraw from an undertaking
29.grin and bear it——be as cheerful as possible in pain or trouble; dosomething without complaining
30.turn out to be——come to be; prove