51. be short of → not having enough

　　52. cut it out → stop doing sth.

　　53. be sick of → be tired of ; having a strong dislike of

　　54. look for a needle in a haystack (a bottle) → search for sth. in a place where it is hopelessly lost

　　55. knock oneself out → work very hard; make a great effort

　　56. run up against → encounter

　　57. far from → anything but; not at all

　　58. far from it → by no means; not at all

　　59. hang on to → hold tightly; keep firmly

　　60. get nowhere → be unsuccessful; obtain no result

　　61. day in and day out → every day; all the time

　　62. break down → cease to function

　　63. get going → get started; begin to move

　　64. take one’s time → not hurry

　　65. boil down to → indicate， especially as a final judgment or analysis

　　66. make up → take a test for the second time

　　67. put up with → bear with patience; tolerate

　　68. by and by → before long

　　69. give someone a hand → help; assist

　　70. ring a bell → sound familiar

　　71. snap out of it →① change one’s habits， attitude， etc， suddenly ② regain one’s composure， energy， or good spirits; recover

　　72. raise the roof → make trouble; start a fight or an argument

　　73. get away with → escape without punishment

　　74. on business → with definite work to do

　　75. look up → search for， as an item of information， in a reference book

　　76. let up →① cease; stop ② slacken; abate

　　77. in any case (or event) → no matter what happens

　　78. come out → be published

　　79. look into → investigate; inspect

　　80. spell out → explain very clearly or in detail

　　81. fall back on → rely on

　　82. wrap up → bring to an end， especially a successful conclusion

　　83. save one’s breath → keep silent because talking will not help

　　84. hold up →① delay; hinder ② endure， last

　　85. have one’s hands full → be very busy; be able to do no more

　　86. How come? → How is it? Why?

　　87. stick around → stay or wait nearby

　　88. make out → get along; manage

　　89. turn up → appear， turn out， show up

　　90. hold off → postpone; delay

　　91. over one’s head → beyond one’s power to understand

　　92. stock up → buy up; lay in a good supply of

　　93. keep up → continue

　　94. tie up → occupy completely

　　95. in and out → coming in and going out often

　　96. make ends meet → make one’s income suffice without incurring debt

　　97. on and on → without stopping

　　98. out of this world → wonderful; great

　　99. in a row →① in line; in alignment ② in succession; successively

　　100. wait around → waiting in vain

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