His estate is left to his daughter,but shall she predecease him,it will be hold in trust for her children.
他的遗产留给他女儿，但如果女儿死在他前面，遗产将委托别人代她孩子管理。
原声例句
科普小杂文
The Duchy comprises around $710 million in net assets, which is mostly held in trusts.
公国约有7.1亿美元的净资产，其中大部分以信托形式持有。
华尔街日报
Last year, it totaled more than $107 million Queen's official duties and maintain royal residences like Buckingham Palace, which is held in trust for the reigning monarch.
The money your father left you will be held in trust until you are 21.
【trust】你父亲给你留下的这笔钱将委托他人代管，直至你满 21 岁。
华尔街日报
The queen has a lot of wealth which is held in trust on her behalf and she also has her personal investments which are held in things like bank accounts of which very little is known.
女王有很多以她的名义托管的财富，还有她的个人投资，比如银行账户，这些都是鲜为人知的。
英语百科
Held In Trust
Held In Trust is a lost 1920 silent film romance directed by John Ince, produced and distributed by Metro Pictures. The film stars May Allison.