動詞 mask:

1. hide under a false appearance
   同義詞：dissemble, cloak, mask
2. put a mask on or cover with a mask
   同義詞：mask
3. cover with a sauce
   同義詞：mask
4. shield from light
   同義詞：mask, block out

形容詞 masked:

1. having its true character concealed with the intent of misleading
   同義詞：cloaked, disguised

1. The thief masked his face with a stocking.
   那賊套上長筒襪遮住臉。
2. They were held captive by masked gunmen.
   他們被蒙面的持槍歹徒劫持了。
3. The sight of the masked gunman made my blood freeze.
   我一看見那個持槍的蒙面人就嚇得渾身冰涼。
4. One who wears a mask, especially a participant in a masquerade or masque.
   戴面具的人戴面具的人，尤指假面舞會參加者
5. Her smile masked true feelings.
   她的微笑掩飾了她的感情。
6. The masked man startled the woman out of her wits when she went to her room.
   這個女人回到房間時戴面具的人快把她給嚇死了。

masked

adj.（形容詞）
Wearing a mask.
帶面具的
Disguised or concealed as if by a mask:
偽裝的，隱藏的：象被一張面具所偽裝或隱藏的：
例句：
very cleverly masked emotions.
非常巧妙地掩飾了情感

Latent or hidden, as a symptom or disease.
潛伏的，潛藏的：潛伏的或潛藏的，如癥狀或疾病
Botany Personate.
【植物學】 假面狀的
Zoology
【動物學】
Having masklike markings on the head or face.
假面狀的：頭上或臉上有假面狀的標記的
Having the anatomy of the next developmental form outlined beneath the integument, as in certain insect pupae.
有覆蓋物的：具有在外皮下成形的下一進化形式的骨骼的，如某些昆蟲的蛹