Please dress neatly. Please do not wear slippers or vests.

请您保持衣着整洁，不要穿拖鞋、背心等入场。

youdao

Students should be neatly dressed in class. They are not allowed to wear slippers or vests in classrooms.

上课时衣着整洁，不许穿拖鞋、背心进入教室。

youdao

Which do you prefer? Long sleeves, middle-length sleeves, short sleeves, or vests?

你是要长袖，中袖，短袖，还是背心？

youdao

Strength training can involve a number of approaches including using free weights, such as dumbbells or barbells, resistance or elastic bands that allow you to flex using your arms and legs, as well as ankle weights or vests and other special exercises that use your body weight to simulate resistance against gravity.

FORBES: Why Strength Training May Help You Live Longer

The pilot also failed to conduct a safety briefing or mention that life vests were available on board, the report said.

WSJ: Pilot Blamed in 2011 Crash of Helicopter

Useful or not, life vests are a legal requirement on ocean-bound flights.

CNN: Strict diets for airlines as fuel costs soar