wt's mean ''which is which''

''tell which is which''= 分辨不同的人或事，邊個打邊個。


Difficult to distinguish colors between red and green with similar intensity (brightness). ... Colorblinds cannot tell which is which. Example 2 :Same color name for different colors -> Fifth and Sixth rows of the above figure. ...
jfly.iam.u-tokyo.ac.jp/html/color_blind/index.html - 48k

上面是講色盲的人不能分辨顏色。

還有 tell what is what，類似意思。

I receive so much mail from you—how can I tell what is what? All membership renewal notices clearly state that they are renewal notices. The one-page letter in renewal notice mailings will only pertain to renewing your membership. ...
www.nmai.si.edu/subpage.cfm?subpage=support& second=membership&third=faqs - 28k -

1 i still hear many noise. 錯

noise = uncountable 數唔到，不可用 MANY

Should be " I can still hear much noise/lots of noise. "

I didn't hear much noise cancelling between those earphones and mdrex71sl.I suggest you buy a mdrex71sl. ... Plane noise is reduced to a low hum, but you can still hear conversations, or even a newspaper rustling across the aisle. ...
forums.pcworld.co.nz/archive/index.php/t-62308.html - 12k

I'm 28, play in a loud rock band and I can still hear the 10kHz just fine. What is going on here? ... lots of sounds going on I hear lots of noise but can't single out any individual sounds so a conversation, for example, is impossible. ...
www.ochenk.com/entry.php?id=63 - 414k -

2 remain slience. 錯

silence (noun), remain + (silent) adj

Should be: remain silent.

Quotation #29375 from Classic Quotes:. Better to remain silent and be thought a fool than to speak out and remove all doubt. Abraham Lincoln 16th president of US (1809 - 1865). More quotations on: [Silence]; View a Detailed Biography of ...
www.quotationspage.com/quote/29375.html - 9k -