Vocabulary consisting only from characters you are able to read
正式
せいしき
due form, official, formalitymix
上手く
うまく
(1)skilfully, skillfully, well, aptly, cleverly, (2)successfully, smoothly, (3)deliciously mix
水力
すいりょく
hydraulic power, water powermix
手にする
てにする
(1)to hold (in one's hand), to take (into one's hand), (2)to own, to obtain suru