compound

Question 1

open ended /ˌəʊpən ˈendɪd/
1.without any limits, aims or dates fixed in advance
an open-ended discussion
The contract is open-ended.

Answer 1

ko hạn chế,ko mục đích,ko thời hạn

Question 2

go-to
1.used to refer to the person or place that somebody goes to for help, advice or information
He’s my go-to guy for business advice.

Question 3

worn out /ˌwɔːn ˈaʊt/
1.(of a thing) badly damaged and/or no longer useful because it has been used a lot
These shoes are worn out.
the gradual replacement of worn-out equipment
a speech full of worn-out old clichés
2.(of a person) looking or feeling very tired, especially as a result of hard work or physical exercise

Question 4

life-and-death = life-or-death
1.extremely serious, especially when there is a situation in which people might die
a life-and-death decision/struggle

Question 5

all-in-one /ˌɔːl ɪn ˈwʌn/
1.able to do the work of two or more things that are usually separate
an all-in-one shampoo and conditioner
The all-in-one body suit looks great with jeans.
all-inclusive
1.including everything or everyone
Our trips are all-inclusive—there are no hidden costs.
all-in
1.including the cost of all parts of something
SYNONYM inclusive
an all-in price of £500 with no extras to pay
The all-in holiday includes fares, full board and entrance to museums.
*all in
​physically tired
SYNONYM exhausted
At the end of the race he felt all in.
​(British English) including everything
The trip cost £750 all in.

Question 6

out-and-out /ˌaʊt ən ˈaʊt/
1.in every way
SYNONYM complete
What she said was an out-and-out lie.