How to say I'm not sure I can do it. in Mandarin Chinese Pinyin

How to say I'm not sure I can do it. in Putonghua|Mandarin Chinese Pinyin

Useful Expressions or Words (English)	Chinese Pinyin & Chinese Symbol Translation	Sound
I'm not sure I can do it.	kǒng 恐 pà 怕 zhè 这 shì 事 wǒ 我 gān 干 bù 不 liǎo 了。。

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