on one's guard
осторожный, бдительный
Пример использования идиомы on one's guard:
I saw that Tim was on his guard, but I didn't know the reason of his cautiousness.
Комментарии:
Войдите или зарегистрируйтесь, чтобы оставить комментарий
Другие идиомы:
- do (someone) one better
- on one's own
- one's number is up
- not one iota
- one in a million
- one in a hundred
- off one's high horse
- one's frame of mind
- off one's rocker
- hundred and one
- One person's trash is another person's treasure.
- open one's heart to (someone)
- have one too many
- one's days are numbered
- one sandwich short of a picnic