Dan found biology difficult, and physics harder still.
WORD CHOICE: WORD CHOICE: still, alwaysUse stillto say that a previous situation has not changed, and is continuing at the time of speaking• He still lives (NOT always lives) with his parents. • They still haven't sold their house. • I still get upset when I think about it.Always means 'all the time' or 'every time'• I always see him on Tuesdays.GRAMMARStill usually comes before the verb, or before the main verb if there is an auxiliary• She still calls me regularly. • Is he still crying?• I can still remember them.!! Stillcomes after the verb 'be'• It was still dark outside. • You are still my best friend.!! Still usually comes before any negative word• She still isn't ready. • I'm still not tired. • They still can't decide.!!Do not say 'still now'• I still think (NOT still now think) he's the best player ever.
Definition from the Longman Dictionary of Contemporary English Advanced Learner's Dictionary.