burn out : 1) stop (something) working 2) become exhausted from over-working
ex)
1) The fuse has burnt out.
2) Tom will burn himself out if he doesn't slow down.
butt in (on sthg) : interrupt impolitely
ex)
It's rude to butt in on a conversation like that!
call back : return a phone call
ex)
I'll call you back as soon as possible.
call off : cancel
ex)
The meeting was called off because of the strike.
call on/upon sby : formally invite or request
ex)
I now call upon the President to address the assembly.
첫댓글 when the lights burn out....
I now call upon the president to address the assembly.^^