a trust in which the trustee must perform certain duties
The role change of trustee made the trust function changed basically, its modemdevelopment of trust is that Passive trust transformed toward Active trust. 受托人角色变迁，使信托功能发生了根本性变化，从消极信托（Activetrust）向积极信托（Passive.
The jewels will be held in trust for the girl till she is twenty. 女孩的那些首饰将被托管到她二十岁为止。
I'll trust you to behave responsibly while I'm out. 我相信你在我外出期间会认真办事的。
You'll just have to take what I say on trust. 你只管相信我说的话就是了。
I don't trust his promise to come for a visit. 我不相信他会如约前来访问。
Trust you to dream up a crazy scheme like this! 亏你想得出这种异想天开的计划！