2 sentences for 不成 (bù​chéng)

1. 我们可能永远当不成朋友。

   wǒ​men kě​néng yǒng​yuǎn dāng bù chéng péng​you.

   We may never be friends.

   Source: OpenSubtitles

2. 停车通常是不成问题的。

   tíng chē tōng​cháng shì bù​chéng wèn​tí de.

   Parking is usually no problem.

   Source: CCMatrix