Turn on one`s heel

To turn around suddenly.The letter carrier turned on his heel when he saw the large dog.

Turn in

To go to bed.We decided to turn in early last night.

Try out on

To test something on someone. I plan to try out the new recipe on my friends.

True love

A genuine feeling of romantic love.It was true love for the young couple when they met at their company.

Trouble (someone) with (something)

To bother someone with something.I never like to trouble my teacher with my simple questions.

Trouble (someone) to (do something)

To ask someone to do something. I had to trouble my neighbor to look after my dog again last week.

Trouble (someone) for (something)

To ask someone to give or lend you something.I do not like to trouble the manager for her time but sometimes I must.

Trouble oneself about (someone or something)

To worry about someone or something.I wish that my mother would not trouble herself about my problems at work.

Trouble one’s head about (someone or something)

To worry about someone or something.I am not going to trouble my head about my sister's visit next week.

Trot (something) out trot out (something)

To mention something without giving it much thought.When I talk with my friend she often trots out some of our previous problems.