To have a secret plan or idea.
秘密の計画やアイデアを持っている。 (Himitsu no keikaku ya aidea o motte iru.)
"Don’t worry, he has something up his sleeve for the project."
"心配しないで、彼はこのプロジェクトのために袖の中に何かがある。" (Shinpai shinaide, kare wa kono purojekuto no tame ni **sode no naka ni nanika ga aru**.)
to adapt one’s thinking for modern changes or innovation
an ending that leaves the audience in suspense
to focus closely on something
to discuss or move between ideas casually
to return to reality after being excited or daydreaming
to understand the overall situation or goal
