他学习法语的努力零零星星，每次最多坚持不过两周。
His sporadic attempts at learning French never lasted more than two weeks at a time.
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解释
断断续续的、不连贯的（学习/习惯语境）
His sporadic attempts at learning French never lasted more than two weeks at a time.
断断续续的、不连贯的（学习/习惯语境）