I can say now (what I couldn't before); now (that things have changed) I don't mind telling you; I couldn't tell you until now; I couldn't have told you this back then
Examples (5 in total)
本当のことは言えない。
I can't tell the truth.
まだ何とも言えない。
I can't say anything for sure yet.
突っ立ってないで何か言えよ。
Don't just stand there, say something.
英語で自分の名前が言える？
Can you say your name in English?
ムスッとして座ってないで、何がいけないのか言えよ。
Don't just sit there and fume. Tell me what's wrong.