不能让他去干一则年纪大二则身体弱的英文

don't set him the task. for one thing he's old for another he's in poor health

• 不能:    cannot; must not; ...
• 让:    give way; give gro ...
• 他:    he
• 去:    go; leave
• 干:    trunk; main part
• 年纪:    age
• 大:    big; large
• 二:    two
• 则:    standard; norm; cr ...
• 身体:    body
• 弱:    weak; feeble