Challenging example sentences

He became Professor in 1856 and Fellow of Royal Society in 187 He made major contribution to structural organic chemistry by proposing in 1858 that carbon atoms can join to one another to form chains and later in 1865,he found an answer to the challenging problem of benzene structure by suggesting that these chains can close to form rings.Resilience is a dynamic developmental process referring to the maintenance of positive adjustment under challenging life conditions.It is generally seen that individuals in an organisation resist change as it often means moving from a familiar, secure environment into a newer and more challenging one.So who's untouched, asks Kabir? Only she Who is free from delusion In this poem, Kabir is challenging the priest by directly questioning at him about where untouchability came from.Some of the principles of rational thinking are: challenging your distorted thinking and irrational beliefs, driving out potentially intrusive negative anxiety-provoking thoughts, and making positive statements.“There was no debate (over him) winning the Nobel, but politics is different – very challenging and often controversial,” said a senior leader of the Bangladesh Nationalist Party.That makes his job more challenging than that of a manager who functions in a totally domestic environment.Providing good and effective directing is a challenging task as it involves many complexities.