We went to a clump of bushes, and Tom made everybody swear to keep the secret, and then showed them a hole in the hill, right in the thickest part of the bushes.

• 我们走进了一簇矮树丛，汤姆让大家一个个都宣了誓，表示决心保守秘密，然后领他们到小山上一处山洞前。