Try as they may they can never define.

试着解释却永远无法定义。

youdao

Try as they may, they will not succeed.

尽管他们很努力，但不会成功。

youdao

Try as they may, they will never succeed.

即使他们很努力，但他们不会成功。

youdao

But drugmakers, try as they may, have so far failed to produce a blockbuster weight-loss pill that's safe and reliable.

FORBES: Magazine Article

Try as they may, the investigators may never know what happened to a talented table-tennis player who proudly held his trophies in school pictures.

BBC: Profile: Tim Kretschmer

Those claiments would then feel they may as well try for something they have an interest in and would stop all unemployed being tarred with same brush.

BBC: What you've said