what can I do for you ? 等价于 Can I help you? 这是服务员常用的语句.
I can't find my ...: 我不能找到...
t, d同样要失爆
I think I have lost ...: 我想我把...弄丢了.
have you left it in ...: 是不是你把它落在了...
left it in 要连读
take ... with me: 我带着...
went out: 为go out 的过去式.
went 和out 的t 都要失爆, 失爆之后, went 的n 音和out的ou音连读.
就像这样: wentout