Chinese

		insufficient; inadequate	because of; for; to because of; for; to; act as; take...to be; to be; to do; to serve as; to become	outsider; stranger	direction; way; method direction; way; method; road; path; principle; truth; reason; skill; Tao (of Taoism); a measure word; to say; to speak; to talk
trad. (不足為外人道)		不足	為	外人	道
simp. (不足为外人道)		不足	为	外人	道

Idiom

不足為外人道

1. not fit to be told to others; no need to tell others

References

• Tao, Yuanming (421) The Peach Blossom Spring (桃花源記)