Botch up
弄坏，弄糟，彻底做坏
I felt guilty because I botched up the project.
我感到内疚，因为我把这个项目搞砸了。
拙劣地修补；修坏
He botched up my bike again.
他又把我的自行车修坏了。
Bottle out
失去勇气做某事；因胆怯而拒绝做某事; 放弃原计划
I decided to tell him the truth, but bottled out in the end.
我决定把真相告诉他，但最终还是放弃了。
Bottom out
到达最低点；不再恶化
The recession seems to have bottomed out.
经济衰退似乎已经触底。
Bounce into
胁迫(某人)做(某事)
They were bounced into the new policy.
他们被迫接受新政策。
Bounce back
（伤病后）复原；康复；恢复元气
His grandfather bounced back nicely after the operation.
手术后，他的祖父恢复得很好。
重新振作起来；重新活跃
I believe that out team can bounce back quickly.
我相信我们的球队能迅速振作起来。
（经济等）复苏；好转
Fortunately, the economy soon bounced back.
幸运的是，经济很快就复苏了。
Bounce off
向(某人)做试探; 试探…对…的看法
You can bounce your ideas off your colleagues.
你可以跟你的同事们交流你的想法。
Bowl out
使大吃一惊，使惊呆
The news bowled me out yesterday.
这消息使我昨天大吃一惊。
Bowl over
击倒，碰倒，撞倒，弄倒
The vase was bowled over by the dog.
花瓶被狗碰倒了。
给(人)极大惊喜；使大吃一惊
He was bowled over by the good news.
他因这个好消息而喜不自禁。