In Korea, there's a popular theory that says that: "If you eat a quarter of an Iceberg lettuce, you will fall asleep". Thus, amongst truck drivers in Korea, lettuce is known as something that should not be eaten before work.
タスマニアは南緯40度のところにあります。
ブルータス、お前もか?
カタツムリは私達のレタスを食べている。
Snails have been eating our lettuces.
トムはレタスを千切りにした。
Tom shredded the lettuce.
キャベツとレタスって何が違うの?
犬にレタスを食べさせても大丈夫でしょうか?
Is it OK to feed my dog lettuce?
「あれ、レタスちゃんと洗った?」「細かいことは気にすんな」
"Wait, have you washed the lettuce?" "Stop worrying over the little things."