A sitting duck is an easy target, a person who is easy to deceive.
The young girl was a sitting duck for the photographer.
go hand in hand
If two or more things go hand in hand, they are associated or often happen at the same time.
In big cities, poverty and violence often go hand in hand.
hell-bent on something
If you are hell-bent on doing something, you are recklessly determined to do it, even if it is dangerous or stupid.
Although he is still weak, he's hell-bent on playing the match.
A phrasal verb is a verb followed by a preposition or an adverb; the combination creates a meaning different from the original verb. Below you will find a list of phrasal verbs in alphabetical order with their meaning and an example of use.
butt in (on)- Interrupt impolitely.
It's rude to butt in on a conversation.
try on- Put on or wear something to see if it suits
I'm not sure about the size. Can I try it on?
How may saws could a see saw saw if a see saw could saw saws?
(Repeat it loudly a few times to check if you could say it fast, without a slip)