- to keep one's emotions inside oneself
- to restrain one's emotions
- to keep one's emotions inside oneself
- to restrain one's emotions
- hidden
- crypto-
- recessive (gene)
- a danger concealed within sth
- hidden damage
- misfortune not visible from the surface
- sth one wishes to keep secret
- ulterior motive
- a subject best avoided
- not to report sth
- to keep sth secret
- to praise the virtue of sb or sth while concealing their faults
- secret concern
- private worry
- vague
- ambiguous
- veiled
- obscure
- to vanish gradually
- to disappear
- to fade out
- to fade away
- to vanish
- to disappear