Significados de extreme alertness en inglés

The Director General sat back in his chair, a look of extreme alertness replacing his former expression.

The elder lady offered the two young men a sufficiently gracious salute; the little old gentleman bowed and smiled with extreme alertness.

An hour later he awoke with extreme alertness in response to a remark from Max as to the lateness of the hour.

He fixed his eyes upon the knot of men at the starboard rail; an expression of extreme alertness came over his bland features.

His clean-shaven face wore an expression of extreme alertness-thesort of look a ferret wears as he slips in at the mouth of a rabbit-hole.