startled adj.
VERBS be, look, seem, sound
ADV. very | a bit, a little, quite, rather, slightly, somewhat | for a moment, momentarily She was momentarily startled by the sight before her. | suddenly
PREP. at She was obviously a little startled at this idea. | by startled by his sudden appearance in the doorway
You can also check other dicts: startled (English, 中文解释 ), wordnet sense, Collins Definition