Word forms: plural, 3rd person singular present tense trills, present participle trilling, past tense, past participle trilled
1VERB (鸟)啭鸣,唧啾 If a bird trills, it sings with short, high-pitched, repeated notes. (鸟)啭鸣,唧啾
At one point a bird trilled in the Conservatory. [VERB]
有那么一刻,一只鸟儿在温室里啼叫。
2VERB 尖声地说(或笑) If you say that a woman trills, you mean that she talks or laughs in a high-pitched voice which sounds rather musical but which also sounds rather irritating. 尖声地说(或笑)
'How adorable!' she trills. [VERB with quote]
“真可爱!”她尖声说。
3N-COUNT 颤音 A trill is the playing of two musical notes repeatedly and quickly one after the other. 颤音 [technical]