61. sit at a desk etc = ~(¸¦ ÇâÇØ)¿¡ ¾É´Ù
(X) The bank manager was sitting on his desk.
(O) The bank manager was sitting at his desk.
Note: Also sit at a table. But on a chair, on a bench, on a sofa, etc; in an arm-chair, in a tree or up a tree.
A bird sometimes perches (= sits) on a tree
62. spend on ~ = ~¿¡ (µ·À») ¾²´Ù
(X) I spend a lot of time for my computer.
(O) I spend a lot of time on my computer.
63. succeed in ~ = ~¿¡ ¼º°øÇÏ´Ù
(X) I hope he'll succeed at his work.
(O) I hope he'll succeed in his work.
Note: A person succeeds to a property, a title, or an office: (ÀÛÀ§・Àç»ê µîÀ») ¹°·Á¹Þ´Ù[½Â°èÇÏ´Ù]
Queen Elizabeth II succeeded to the throne in 1952. Also one person can succeed another.