| 释义 | 
		 noun |  verb louselouse1 /laʊs/ noun [countable] ETYMOLOGYlouse1Origin:  Old English lus   1 (plural lice /laɪs/) a small wingless insect that lives on people’s or animals’ skin and hair2 (plural louses) informal someone who is mean and treats people very badly noun |  verb louselouse2 verb VERB TABLElouse |
 | Present | I, you, we, they | louse |   | he, she, it | louses |  | Past | I, you, he, she, it, we, they | loused |  | Present perfect | I, you, we, they | have loused |   | he, she, it | has loused |  | Past perfect | I, you, he, she, it, we, they | had loused |  | Future | I, you, he, she, it, we, they | will louse |  | Future perfect | I, you, he, she, it, we, they | will have loused |  
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 | Present | I | am lousing |   | he, she, it | is lousing |   | you, we, they | are lousing |  | Past | I, he, she, it | was lousing |   | you, we, they | were lousing |  | Present perfect | I, you, we, they | have been lousing |   | he, she, it | has been lousing |  | Past perfect | I, you, he, she, it, we, they | had been lousing |  | Future | I, you, he, she, it, we, they | will be lousing |  | Future perfect | I, you, he, she, it, we, they | will have been lousing |  
    louse up phrasal verb informal1louse something ↔ up to make something that is good become worse SYN spoil:  I don’t want to louse things up in our relationship.2 to do something badly: louse up on Chris really loused up on his finals.louse something ↔ up You really loused the whole thing up. |