How to write 微不足道微不足道

no; not so; (bound form) not; un-

excessive

road; path; principle; truth; morality; reason; skill; method; Dao (of Daoism); to say; to speak; to talk; classifier for long thin things (rivers, cracks etc), barriers (walls, doors etc), questions (in an exam etc), commands, courses in a meal, steps in a process; (old) circuit (administrative division)