1. Canadian scientists have found a worrisome, new example of the power that birds have to spread stuff around. 加拿大科学家发现了一个令人担忧的新例子，证明鸟类具有四处传播东西的力量。
2. Despite the success of the experiment, the actual results are worrisome, and mostly confirm earlier studies. 尽管实验取得了成功，但实际结果却令人担忧，基本上证实了早些时候的研究。
3. They reason that since top executives evidently have faith in the bank's financial soundness, those worrisome rumors must be false. 他们认为，由于高管们显然对该行的财务稳健抱有信心，那些令人担忧的传言肯定是假的。
4. The most worrisome problem comes from the fact that about one-third of crime cases were committed by the juvenile and 53% of criminals in jails are youngsters below 25. 最令人担忧的问题是，大约三分之一的犯罪案件是由青少年犯下的，监狱里53%的罪犯是25岁以下的青少年。
5. Suda reflects a worrisome trendin Japan; the automobile is losing its emotional appeal, particularly among the young, who prefer to spend their money on the latest electronic devices. Suda 反映了日本令人担忧的趋势：汽车正在失去它的情感吸引力，尤其对于那些喜欢把钱花在最新的电子设备上的年轻人。
