to strain one's eyes; to look closely; to stare at
to become stiff (of muscles); to get absorbed in; to develop a passion for; to be elaborate; to be intricate
to concentrate; to focus on; to devote; to stiffen; to become tense
to coagulate; to congeal; to be fanatical (about); to be obsessed (with); to stiffen; to become stiff
to have stiff shoulders; to feel ill at ease; to feel uncomfortable; serious; sober
muscle stiffness (esp. in shoulders); lump (in tissue, esp. breast); swelling; lingering discomfort; uneasiness
to exercise one's ingenuity; to come up with an ingenious plan
to devise an elaborate plan; to exercise one's ingenuity; to work out a scheme
tendency to become totally absorbed in something; monomania; perfectionism; susceptibility for a stiffening of the shoulders
stiff neck; stiff shoulders
to strain one's eyes; to stare
to be into something (e.g. a hobby)
too much thinking gets you nowhere; excessive enthusiasm clouds one's judgment
perfectionist; enthusiast; zealot
elaborate; exquisite; ornate; refined; sophisticated
if you get too absorbed when playing go, you will miss your parent's deathbed
over-concentrated shape; placing too many stones in the same area