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always; all the time; at all times
(at) any time; whenever (you like)
何なん時じでも連絡れんらくしてきてくださいね。
Please contact me anytime.
彼かれは何時いつでも元気げんきいっぱいだよね。
He's always full of energy.
何なん時じでも手伝うてつだうから言っいってね。
I'll help anytime, just tell me.