有点 vs 一点 (a bit too… vs a little …er)

Trying on shoes

• The shoes fit badly and you want to ask for another size.
• 这双鞋zhè shuāng xiéa bit有点yǒu diǎnsmall小xiǎo，有大yǒu dàa little一点yì diǎn(modifier / structural particle)的de(yes/no ?)吗ma？ — "These shoes are a bit small. Do you have a slightly bigger pair?"

a bit有点yǒu diǎn + Adj before, Adj + a little一点yì diǎn after

• a bit有点yǒu diǎn(non-syllabic diminutive…儿ér) + Adj = "a bit (too) …", usually a complaint: a bit有点yǒu diǎnexpensive贵guì, a bit有点yǒu diǎncold冷lěng.
• Adj + a little一点yì diǎn(non-syllabic diminutive…儿ér) = "a little more …", for comparing or asking: cheap便宜pián yia little一点yì diǎn, rapid快kuàia little一点yì diǎn.

today今天jīn tiāna bit有点yǒu diǎncold冷lěng。

Complain, then request

• Bargaining: this这个zhè gea bit有点yǒu diǎnexpensive贵guì，can / be able to能néngcheap便宜pián yia little一点yì diǎn(yes/no ?)吗ma？ — "It's a bit expensive; can you make it a little cheaper?"
• Asking for change: you你nǐspeak说shuō(degree marker)得dea bit有点yǒu diǎnrapid快kuài，please请qǐngspeak说shuōslow慢màna little一点yì diǎn。 — "You speak a bit fast; please speak a little slower."

please请qǐngspeak说shuōslow慢màna little一点yì diǎn。

Keep them on the right side

a bit有点yǒu diǎn sounds negative

• a bit有点yǒu diǎn + a pleasant word sounds odd: a bit有点yǒu diǎnpretty漂亮piào liàng is unusual. Use 很漂亮hěn piào liàng or fairly / rather比较bǐ jiàopretty漂亮piào liàng.
• a bit有点yǒu diǎn + negative adjectives is natural: a bit有点yǒu diǎnrope累lèi, a bit有点yǒu diǎndifficult / hard难nán, a bit有点yǒu diǎnnot不bùwell舒服shū fu.

I我wǒa bit有点yǒu diǎnnot不bùwell舒服shū fu。

Recap

Read the full reference: HSK 3 grammar — Comparing adverbs.