watch for one's chance;await an opportunity ;

Vibrio vulnificus, a gram-negative halophilic marine bacterium, is an opportunistic human pathogen.
创伤弧菌为栖息于海水环境中的革兰氏阴性细菌, 为人类的伺机性致病菌.
来源:互联网摘选The longing to take advantage of his offer began to haunt her insidiously.
抓住这个机会的想法已开始暗中伺机作崇.
来源:词典精选例句Police officers lie in wait for the gangs who stalk their prey at night.
警察设伏等待那些在晚上跟踪目标伺机作案的歹徒。
来源:《柯林斯高阶英汉双解学习词典》
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