Eng: Can't tell...

無法斷定

Can't tell, Not certain, Not sure

(Am not, Am unable, Are not, Are unable, Is not, Is unable, Unable to, Was not, Was unable, Were not, Were unable, Conclude)

看不出來

Can't see, Can't tell

(Could not, Come Out, Emerge)

說不上來

Can't say, Can't tell, Couldn't

(Come up)