adv.不认真地；无兴趣地
"Hey, guys," Jacob greeted them halfheartedly. “嘿，伙计们。”雅革随性地和他们打了声招呼。
He always do things halfheartedly. 他做事总是心不在焉。
Ron halfheartedly agreed.He was happy to help out his boss. 荣恩虽然答应，但态度并不是很认真。
"Then get out of the car and shoo it off the road," I suggested halfheartedly. “那我们下车然后把它赶下公路。”，我兴趣不大地建议道。
He who treats dilemma indifferently and halfheartedly will never feel confused. 一旦将无奈变为无聊，也就不会再感到无奈了。
