knock on wood -Idioms

Idioms

knock on wood

to knock on something made of wood to keep from having bad luck

I do not think that I will lose my job - knock on wood.

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knock one's head against the wall

knock oneself out (doing something)

knock the props out from under (someone)

know (someone or something) by sight

know (someone or something) like a book

know (someone or something) like an open book

know (someone or something) like the back of one's hand

know (something) backwards and forwards

know (something) by heart

know (something) from memory

feel out (someone) or feel (someone) out

hang by a thread/hair

up to one's chin

lock the barn door after the horse is stolen

in one ear and out the other

a feather in one's cap

hang in the balance

blow the lid off (something)

hit the jackpot

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