終始しゅうし
shūshi

Noun

1. beginning and end

まえ会社かいしゃではなんでも終始しゅうししたので今度こんど専門せんもんしょくきたい。
maeno kaishadewa nanidemo yani shūshi shitanode kondowa semmonshokuni tsukitai.
I wore several hats at my last office so I'd like to specialize this time.
Noun
Suru Verb

2. doing something from beginning to end; being unchanged from beginning to end

私服しふく警官けいかん終始しゅうし大統領だいとうりょう身辺しんぺんかためていた。
shifukukēkanga shūshi daitōryōno shimpen'o katamete ita.
The private detectives accompanied the President everywhere.
Adverb

3. from beginning to end; the whole time; throughout; consistently