字幕表 動画を再生する 英語字幕をプリント Hit the sack. Hi I’m Tanya with Learn English on the web.com. Today we're going to cover a very common American Idiom (or slang expression) that you might hear in everyday conversation. This expression is "HIT THE SACK" which basically means "prepare to sleep" or "get ready for bed". So, to use this in a sentence for example, "It’s getting late, I think it's time to hit the sack." or you can say "I'm feeling very tired. Guess I'll hit the sack now." So if you're feeling like it's time to sleep or if you're tired after a long day, you can use this expression, "HIT THE SACK" to say that you're getting ready to go to bed. If you'd like to learn more English words and phrases, visit us at www.learnenglishontheweb.com.