1 Muscle twitching of one arm and Leg symptoms (4 causes). 2  Muscle twitching of one arm and Limb symptoms (4 causes). 3  Muscle twitching of one arm and Movement symptoms (4 causes). 4  Muscle twitching of one arm and Muscle symptoms (4 causes).
The word himitsu is used in Japanese meaning secret.he word himitsu is used in Japanese meaning secret.
shimasu = todo ( polite form) . masu  dont have meaning, it is the way express the polite. and the same : aimasu(polite form) originally from aru (the existion of inanimate object) like the first answer.