Washed-up = Finished (slang) usually for sports figures
The Tigers are washed-up this year.
Give it a go = To start something
I don't really like swimming, but I guess I'll give it a go.
A waste of time = Doing something that is no necessary
Watching T.V. is a waste of time for me.
Homesick = To miss one's home or hometown
When I see a Yankee cap, I feel homesick.
Peaceful = Quiet and relaxing
Where I live, it is always peaceful at night.
Watchman = Someone who protects a building from fire or burglars.
The watchman in my building usually sleeps.
To pester = To bother
My children always pester me for money.
Ideal = The best
Fall weather is ideal for jogging.
Thunderstorm = A storm with thunder, lightning and rain or snow
Recently there have been many strong thunderstorm.
Invalid = Cannot be used, not valid
My license became invalid last year and I had to change it.