Word: 药效 (yàoxiào) Traditional: 藥效 药效 dictionary entry yàoxiào medicinal effect Full dictionary entry for 药效 Example sentences using 药效 2 sentences, showing page 1 of 1. 医生说这药的药效很慢。 Yīshēng shuō zhè yào de yàoxiào hěn màn. The doctor said this medicine takes a while to work. 药效一过，孩子又发烧了。 Yàoxiào yí guò, háizi yòu fāshāole. As soon as the medicine wore off, the child had a fever again.