o·ver·ex·tend

verb

/ˌəʊvərɪkˈstend/

Verb Forms

present simple I / you / we / they overextend	/ˌəʊvərɪkˈstend/ /ˌəʊvərɪkˈstend/
he / she / it overextends	/ˌəʊvərɪkˈstendz/ /ˌəʊvərɪkˈstendz/
past simple overextended	/ˌəʊvərɪkˈstendɪd/ /ˌəʊvərɪkˈstendɪd/
past participle overextended	/ˌəʊvərɪkˈstendɪd/ /ˌəʊvərɪkˈstendɪd/
-ing form overextending	/ˌəʊvərɪkˈstendɪŋ/ /ˌəʊvərɪkˈstendɪŋ/

overextend yourself to be involved in more work or activities, or to spend more money, than you can manage without problems承担过多工作；开支过大
- They should not overextend themselves on the mortgage.他们不应该用抵押借款过多。