“多达”在英语中常用的表达是 “up to” 或 “as many as/as much as”，具体使用哪个取决于语境：
1、 “up to”：
这是一个较为通用的表达，常用于描述数量、程度或时间的上限。
例如：“There were up to 500 people at the concert.”（音乐会上有多达500人。）
2、 “as many as/as much as”：
这两个表达更侧重于强调数量之多，通常用于可数名词（用“as many as”）或不可数名词（用“as much as”）。
例如：“She has read as many as 200 books this year.”（她今年已经读了多达200本书。）
“He drank as much as three liters of water in one sitting.”（他一次就喝了多达三升水。）