Related to word: keep
Phrasal Verb
to manage to consume food or drink without throwing up
吃得下（東西），喝得下（東西）
During her illness, she struggled to keep food down without throwing up.
在她生病期間，她努力吃下食物而不嘔吐。
The medication affects my appetite, so I find it hard to keep anything down.
藥物影響了我的食慾，所以我發現很難吃下任何東西。
Even though I feel nauseous, I managed to keep some soup down.
即使我感到噁心，我還是設法喝下了一些湯。
to limit or regulate the extent or quantity of something and stop it from growing
控制規模；限制數量
To manage the inventory, the company decided to keep the quantity each customer can buy down.
為了管理庫存，公司決定限制每位顧客的購買數量。
To prevent obesity, experts recommend keeping the consumption of sugary foods down.
為了預防肥胖，專家建議減少含糖食物的攝取量。
To reduce traffic congestion, the city plans to keep the number of vehicles down in certain areas.
為了減少交通擁堵，該市計劃限制某些區域的車輛數量。