louder , loudest
If a noise is loud, the level of sound is very high and it can be easily heard. Someone or something that is loud produces a lot of noise.
Suddenly there was a loud bang.
突然砰地传来一声巨响。
His voice became harsh and loud.
他的声音变得又尖又吵。
If you describe something, especially a piece of clothing, as loud, you dislike it because it has very bright colours or very large, bold patterns which look unpleasant.
garish
He liked to shock with his gold chains and loud clothes.
他喜欢戴金链子、穿花哨衣服,以此惊世骇俗。
If you, for example, play music loud or speak loud, you do it so that the level of sound is very high and it can be easily heard.
She wonders whether Paul's hearing is OK because he turns the television up very loud.
她怀疑保罗的听力有问题,因为他把电视机的音量调得很大。
out loud
If you say or read something out loud, you say it or read it so that it can be heard, rather than just thinking it.
Even Ford, who seldom smiled, laughed out loud a few times.
即使是平时不苟言笑的福特也好几次笑出了声。