翻译sb be up to doing
是be up to sb to do还是doing?
be up to do be up to doing be up to sb to do sth it is up to
be up to sb’s
be thankful to sb for (doing) sth
be up to do 还是 be up doing 哪个对
call up sb doing sth还是to do sth?
英语翻译翻译 他拿不拿那本书由他决定 用 (be up to sb)
there be sb doing
leave sb doing /leave sb to do /leave sb to be done
ask sb to do sth be afraid of doing be busy doing be late fo
英语翻译allow sb.to do sth.ask sb.to do sth.be busy doing sth.be
find sb doing sth、be surprise to 意思,用法、造句