381.hold back 阻止，抑制
We struggled to hold back our laughter.（抑制，控制）
They deepen poverty and hold back economic progress.（阻止，阻碍）
382.hold on 坚持住，握住不放；(打电话时)不挂断，等会
I can't hold on without somebody's assistance.（坚持住）
Hold on! You forgot your bag!（等会）
He held on tight to the rope and climbed down the building.（握住不放）
383.hold out 维持，保持；坚持(要求)，不屈服
Such a situation held out for another half a month.（维持）
They held out against enemy for six months.（不屈服）
I should have held out for a better deal.（坚持(要求)）
384.hold sth to account 与....对证，核实
He held the bill to account.
385.hold the position of(as) 担任...职务
She holds the position of general manager in that company.
She held up her arm and wiped her tears off.（举起）
This old tree is held up by a post.（支撑）
The bank was held up last night.（抢劫）
The teacher held up my composition as example to the class.（展示）
387.homeland security 国土安全
We spoke to the Homeland Security.
388.hunger for 渴望
I hunger for peace.
The poor villagers hungered for having a rich life.
389.hunger after 渴望
These students hunger after new knowledge and ideas.
He had a hunger after knowledge and truth.
390.be hungry for 渴望
Many people appear to be hungry for money.
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