a chain reaction
连锁反应 series of events each of which causes the next
chain down (v.+adv.)
拴住,束缚 make fast with a chain or chains
chain sb/sth ? down
I didn't want to chain you down, feel free to use your own ideas.
Don't worry about the heavy load; it's chained down.
I feel chained down with a wife, a house and children.
chain to (v.+prep.)
〈非正〉拴住,束缚 confine with a chain
chain sb/sth to sb/sth
She chained the wolf securely to the post.
He chained his bicycle to the post.
In former times, prisoners were chained to one another.
My mother always complained of being chained to the house.
Mother is chained to housework.
Too many women feel chained to the kitchen sink.
With a sick husband, she was chained to the house all day.
Through all that lovely summer,I remained chained to my desk.
chain up (v.+adv.)
拴住 confine with a chain
chain sb/sth ? up
His father chained him up.
Of course the dog makes such a noise; the poor creature is chained up all day.
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