lack of action; the state of doing nothing about a situation or a problem 無行動;不采取措施 The police were accused of inaction in the face of a possible attack. 面對可能的襲擊,警方被指控無所作爲。 They have accused the government of inaction on the issue of railway safety. 他們指責政府在鐵路安全問題上無所作爲。