136. What's done is done.

做了就做了

137. Look before you leap.

三思而后行

138. When the chips are down.

在重要关头；到了关键时刻

139. bet one's bottom dollar

确信无疑

140. Variety is the spice of life.

多样化丰富生活

141. a wolf in sheep's clothing

披着羊皮的狼

142. Haste makes waste.

欲速则不达

143. like a bull in a china shop

笨手笨脚；莽撞行事

144. someone is not out of the woods yet

还未脱离危险

145. The best things in life are free.

生命中最好的东西是金钱买不到的

146. Easy come, easy go.

来得快，去得快

147. I don't have a clue.

我不知道

148. Better safe than sorry.

宁愿安全（可靠）也不要后悔

149. Practice makes perfect.

孰能生巧

150. for crying out loud

哎呀呀！拜托

151. on the spur of the moment

一时冲动；一时兴起

152. Every little bit counts.

一点一滴都算

153. drive sb. to the wall

使某人发疯/受不了；使某人束手无策

154. get sth. off one's chest

倾吐心中的事；落下心中的大石头

155. Two wrongs don't make a right.

报复于事无补

156. the blind leading the blind

外行领导外行

157. in the same boat

同命相连

158. Appearances can be deceiving.

外表是会骗人的

159. only time will tell

只有时间会证明

160. Don't put all your eggs in one basket.

别孤注一掷