Please vent your steam out periodically. I'm ready to hear you out anytime.
Don't store up your complaints and tell them to me from time to time. I can lend you an ear whenever you need it.
ご質問ありがとうございます。
① "Please vent your steam out periodically."＝「時々、ガスを抜いてね。」
"I'm ready to hear you out anytime."＝「いつでも聞くから。」
② "Don't store up your complaints and tell them to me from time to time."＝「愚痴をため込まないで、私に時々言ってね。」
"I can lend you an ear whenever you need it."＝「いつでも必要なら聞けるから。」
ご参考までに。
アメリカ合衆国 
