ENGLISH USAGE

 

  • cope OR cope up?

Incorrect: Some children find it difficult to cope up with all the homework they are given. 

Correct: Some children find it difficult to cope with all the homework they are given. 

You can catch up on homework but you cope with something (without up).

 

  • costly OR expensive?

Incorrect: Taxis are often unavailable during peak hours and are too costly.

Correct: Taxis are often unavailable during peak hours and are too expensive.

Fares, tickets, clothes, food items and all the things that people regularly buy or pay for my be described as expensive but not costly. Costly is normally used for something which has a very serious effect on your resources or well-being:

‘Failure to insure one’s property can prove very costly, especially in the event of a fire.’

‘Their decision to ignore the report’s recommendation was a most costly error of judgement.’

 

  • enter OR join?

Incorrect: All children under 12 are invited to join the singing contest.

Correct: All children under 12 are invited to enter the singing contest. 

You enter (or take part in) a contest or competition (not join).