at one's best 处在最好状态
do one's best 尽力,努力
do one's level best 全力以赴
get the best of 胜过,打赢
had best 最好,顶好
make the best of 充分利用(时间等)
for the better 好转,向好的方向发展
get the better of 打败,智胜
had better do sth. 还是…好,最好还是…
a bill of fare 菜单;节目单
bit by bit 一点一点地,渐渐
do one's bit 尽自己的一份力量
every bit 每一点,完全(一样)
black and blue (被打得)遍体鳞伤
black out 用墨涂掉;封锁(新闻)
look black 怒视
be to blame 该受责备;应该负责
blow off 吹掉,将(热水等)放出
blow out 吹熄(灯火等)
blow over 经过;(云等)吹散
blow one's top (美)气急败坏;发脾气
blow up 给(轮胎等)打气;爆炸