您要查找的是不是：
- The dog kept a vigilant guard over the house. 这只狗警惕地守护着这所房屋。
- The magician transformed the frog into a princess. 魔术师把青蛙变成了公主。
- The magician metamorphosed the frog into a prince. 魔术师把青蛙变成了王子。
- The witch changed the prince into a frog. 巫婆把王子变成了青蛙。
- He urged them to guard against conceit. 他要求他们防止骄傲自满。
- I do not like to go to the movies by my self. 我不喜欢自己一个人看电影。
- He sang with a frog in his throat. 他用略带沙哑的嗓音唱歌。
- The frog hopped along the shore of the pond. 那只青蛙沿著池塘边跳跃。
- I my self is going to make a sandwich. 我要亲手做个三明治。
- He bribed his way past the guard and escaped. 他买通看守而逃之夭夭了。
- A tadpole is transformed into a frog. 蝌蚪变成青蛙。
- He was a wreck of his former self. 他身体坏得不成样子，已兴从前判若两人。
- I was off my guard and made no suitable reply. 我没提防，因此没有作出适当的回答。
- The tadpole is the larva of the frog. 蝌蚪是青蛙的幼体。
- Knowledge of self increases as one gets older. 随着年岁的增长，人们的自我认识也不断加深。
- The guard of honor headed up the whole parade. 仪仗队走在游行队伍的最前头。
- The snake got outside of a frog. 这条蛇吞食了一只青蛙。
- Everyone should be guarded by legal barricades. 人人都应受法律保障。
- The ammunition depot is heavily guarded. 弹药库戒备森严。
- He's not looking like his old self lately. 他最近看起来不像以前那样。
