There were times ( ) I don’t know what to say

i don't know what to say 英语翻译...I don't know what to say.There is no doubt that I hav i don't know what to say.可不可以说i don't know say what有没有用say w 1:I really don't know what to say. i don't know what to say 同义句 THEN I DON;T KNOW WHAT TO SAY SO EXCITING. I don't know what to say sorry that I really don't know what to say, I didn't know what there was to say regardless. i don't know say what I just don't know what to say.和 I don't just know what to sa I don't know what to say. I don't know what I am doing. 求翻译