send sb to do sth The US offered to send ships to help in the rescue operation. 美国提出派船为营救行动提供帮助。（摘自《朗文当代高级英语辞典》第6版英英英汉双解版p.2328）

       leave sb to do sth He left Ruth to find her own way home. 他让露丝自己回家去。（摘自《朗文当代高级英语辞典》第6版英英英汉双解版p.1464）

       I'll leave him to choose his school. 我由他自己选择学校。（摘自《英汉多功能词典》新编升级版p.957）

      I'll leave selling the house to you . 我委托你帮我卖房子。 (=I'll leave you to sell the house.) （同上）