butt in
روند ادامه کاری را قطع کردن ، دخالت کردن

to interrupt; to interfere

EXAMPLE l: Nancy is always butting in to other people's business.

EXAMPLE 2: Sara is really rude. She always butts in to other people's conversations

head and shoulders above
یک سرو گردن بالاتر بودن

far superior to

EXAMPLE l: The Boston Symphony Orchestra is head and shoulders above any other orchestra in the area.

EXAMPLE 2: I can't believe you only won second prize in the competition. You were head and shoulders above the first-prize winner

hit the nail on the head

زدی تو خال

to be right

EXAMPLE 1: Dawn hit the nail on the head when she said that Tiffany is jealous of Amber.

EXAMPLE 2: Steve hit the nail on the head with his idea of moving his company's manufacturing facility to China

stab sb in the back

زیرآب کسی را زدن

to betray someone

EXAMPLE 1: Jill and Heather were friends, until Heather stabbed Jill in the back by stealing her boyfriend.

EXAMPLE 2: You're firing me after all I've done for this company? You're really stabbing me in the back