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在《PONS词典》中的词汇

sharp·en [ˈʃɑ:pən, ˈʃɑ:rp-] 动词 trans

1. sharpen (make sharp):

to sharpen sth
to sharpen a pencil
to sharpen scissors
to sharpen a knife

2. sharpen (intensify):

to sharpen sth
to sharpen one's appetite
to sharpen competition
to sharpen a debate

3. sharpen (make more distinct):

to sharpen sth

4. sharpen (improve):

to sharpen sth
to sharpen one's mind
to sharpen the senses
to sharpen one's skills

5. sharpen 音乐:

to sharpen sth

I. sharpen up 动词 trans

1. sharpen up (improve):

to sharpen up sth
to sharpen up one's act esp performance
bei etw 第三格 mehr Leistung zeigen
to sharpen up one's act behaviour
sich 第四格 besser benehmen

2. sharpen up (make sharper):

to sharpen up sth

II. sharpen up 动词 不及物动词

sharpen up
sharpen up
Present
Isharpen
yousharpen
he/she/itsharpens
wesharpen
yousharpen
theysharpen
Past
Isharpened
yousharpened
he/she/itsharpened
wesharpened
yousharpened
theysharpened
Present Perfect
Ihavesharpened
youhavesharpened
he/she/ithassharpened
wehavesharpened
youhavesharpened
theyhavesharpened
Past Perfect
Ihadsharpened
youhadsharpened
he/she/ithadsharpened
wehadsharpened
youhadsharpened
theyhadsharpened