isn

It isn't worth it. 

1. Its value does not justify the action you propose. Mary: Should I write a letter in support of your request? Sue: No, don't bother. It isn't worth it. John: Do you suppose we should report that man to the police? Jane: No, it isn't worth it.

2. . Its importance does not justify the concern you are showing. Tom: I'm so sorry about your roses all dying. Mary: Not to worry. It isn't worth it. They were sort of sickly anyway. John: Should I have this coat cleaned? The stain isn't coming out. Sue: It isn't worth it. I only wear it when I shovel snow anyway.

See also: worth

It isn't worth the trouble.

Don't bother. It isn't worth it. Tom: Shall I wrap all this stuff back up? Mary: No. It's not worth the trouble. Just stuff it in a paper bag. Jane: Do you want me to try to save this little bit of cake? John: Oh, no! It's not worth the trouble. I'll just eat it.

See also: trouble, worth

Life isn't all beer and skittles.

Prov. Life is not pleasurable all the time; you cannot always be having fun. (Skittles is a game like bowling.) I don't really mind going back to work when my vacation is over. Life isn't all beer and skittles, and I enjoy my fun that much more because I have work to compare it to. When George's parents stopped supporting him, George suddenly discovered that life isn't all beer and skittles.

See also: and, beer, life, skittle

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somebody's heart isn't in something

if someone's heart is not in something that they are doing, they are not very interested in it She was studying law, but her heart wasn't in it and she gave up after a year.

See also: heart

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your heart isn't in it

you do not feel something is exciting or interesting enough to do I tried to do some writing, but my heart wasn't in it.

Usage notes: sometimes used in the form your heart isn't in something: His heart isn't in supervising people.

Related vocabulary: not have the stomach (for something)

See also: heart