informalINTERESTED to be the type of thing that someone is interested in or good at 是某人感兴趣的事;是某人的专长
Acting’s not really in my line, I’m afraid.
演戏恐怕不是我的专长。
Examples from the Corpus
be in somebody’s line• He was in a line of three cars.• The name is in the first field because it is in the first line. 8.• My father thinks they should be in curved lines.• Do not put fluffyrugs in front of open fires, where they are in the direct line of sparks.• They were in a straight line but when Boris clapped his paws they began to march.• This is in fact the line which Berger then developed.• The LawSociety too was in the firing line.