In their line of work I wouldn't last five minutes.
They very often do, the women in our line of work.
Your father wanted to be in his line of work.
People who need job security go into another line of work.
I asked him what line of work his father had been in.
I feel bad for him, but he has to find another line of work.
In his line of work, he probably had to be.
More than one man had been turned off by her line of work.
In his line of work one question always led to another.
Nothing to do with your line of work, really, but they seem to want you.