negligible; insignificant

not at all surprising; nothing to be wondered at

everything is fine except for one small defect; the fly in the ointment

to suffer from a congenital deficiency or have an inherent weakness

To have the desire to do something but lack the necessary strength, resources, or physical ability to carry it out; the spirit is willing but the flesh is weak.

not worth mentioning

to give no cause for anxiety; nothing to worry about

not worth mentioning to outsiders; something that should be kept as a secret among a specific group

not at all surprising

inconsiderable, of no consequence, or not worth mentioning

avaricious and insatiable; greedy and never satisfied

a man who is never content is like a snake trying to swallow an elephant

not worth mentioning

Not to be taken as a standard, lesson, or example to be followed.

not worth mentioning

not worth mentioning or considering; beneath notice

Desiring to do something but lacking the necessary strength, resources, or physical capacity to carry it out; the spirit is willing but the flesh is weak.

to be problematic from the start and worsen over time due to unfavorable conditions or mismanagement

Unable to accomplish anything useful but liable to spoil everything; describing someone who is more of a hindrance than a help.

neither the best nor the worst; not too bad; better than some

attention deficit hyperactivity disorder (ADHD)

too petty or insignificant to mention; not worth mentioning

premature (of a birth or child)

To learn is to know one's ignorance (from the Book of Rites [[礼记|禮記|Li3 ji4]]).