美国常用短语B

lhjstudio

back and forth            alternating
back someone up       support someone
balk                              to stop doing sth.
be about to                  get ready to do (almost,  very soon)
be a real boon             to be a financial benifit
be a blessing in disguise  a bad event becomes good,  unexpected
be in charge of             to be the one in control(responsible)
be tied out                    to be exhausted
be under the weather   to be sick
be well off                     to be comfortable
be out of the picture
be bound to                 likely to happen/ probably be happen
be a drag                     to be boring
be supposed to
be /get through           to be / get finished
be name after          
be a steal                     to be a bargain
bear in mind                keep in mind/to be aware that
be over                        finished
believe it or not
be on the safe side     carful had better
be/get fed up with       to be tied of
blow it                          to fail
by the way                   introducing a different topic
break down                 to stop function(machine/systems)
brush up on                review sth. that you once study/to go over
by all means                please,  of couse,  absolutely
by heart
by oneself                   alone