(yào, ㄧㄠˋ) important; vital; to want; to be going to; must [CE-DICT]
结
(jiē, ㄐㄧㄝ) to bear fruit; to produce; firm; solid [CE-DICT]
(jié, ㄐㄧㄝˊ) knot; sturdy; bond; to tie; to bind; to check out (of a hotel) [CE-DICT]
束
(そく) (n,n-suf) (1) {math} lattice; (n,n-suf,ctr) (2) counter for large bundles (e.g. 10 sheafs of rice, 200 sheets of calligraphy paper, 20 whistling arrows, 100 fish); (3) handbreadth (unit for measuring the length of arrows) [EDICT]
(つか) (n) (1) strut; short vertical post; (2) thickness (of a book minus the cover, a sheaf of paper, etc.); (3) (arch) (See 束・そく) handbreadth; bundle [EDICT]