like: vệ sinh → →
Weißt du, wo die Toilette ist? ☊ 
Anh có biết nhà vệ sinh ở đâu không? ☊ (Lektion 2, Nr. 14) Alle sanitären Artikel sind im ersten Fach, z. B. Tampons, Zahnpasta usw. ☊ Tất cả các đồ về vệ sinh ở ngăn đầu tiên, ví dụ như: bông, kem đánh răng v.v. ☊ (Lektion 33, Nr. 441) Wo sind die Toiletten? ☊ Nhà vệ sinh ở đâu? ☊ (Lektion 120, Nr. 2321) toilet articles such as soap and shampoo ☊ article ☊
a degree in biology ☊ biology ☊
law (on sth): The government has introduced some tough new laws on food hygiene. ☊ law ☊
an outside toilet ☊ outside ☊
personal cleanliness/hygiene ☊ personal ☊
There are toilets at both front and rear of the plane. ☊ rear ☊
Have you flushed the toilet? ☊ toilet ☊
I need to go to the toilet (= use the toilet). ☊ toilet ☊
Every flat has its own bathroom and toilet. ☊ toilet ☊
public toilets ☊ toilet ☊
Could you tell me where the ladies' toilet is, please? ☊ toilet ☊