致力于: devote oneself to/hammer at/apply oneself to/bend oneself to/commit oneself to...
工程师: engineer...
可: can, may, able to, to approve, to permit, to suit, (particle used for emphasis) certainly, very...
捐: to contribute, to donate, contribution, tax, to abandon...
大厦: (used in the names of grand buildings such as Broadway Mansions (in Shanghai) or Empire State Building etc)...
可以: can, may, possible, able to, not bad, pretty good...
或多或少: more or less...
下降: to decline, to drop, to fall, to go down, to decrease...
脸颊: cheek...
床单: bed sheet...
